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K.k. Sankyo Seiki Seisakusho

USPTO Granted Patents = 13

Forward Citations = 122

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29 inventors (with patents filed for the assignee):

Tadao Saito (2 out of 77 patents)

Kenji Muramatsu (2 out of 7 patents)

Kazuo Matsunaga (2 out of 9 patents)

4. Takashi Katagiri (2 out of 9 patents)

5. Kazuharu Saito (2 out of 4 patents)

6. Toshiroh Doy (2 out of 2 patents)

7. Junji Watanabe (2 out of 127 patents)

8. Katsuhiko Hayashi (1 out of 23 patents)

9. Hiroyuki Iwashita (1 out of 8 patents)

10. Yasushi Mizusaki (1 out of 6 patents)

11. Katsuaki Oguchi (1 out of 4 patents)

12. Fumito Komatsu (1 out of 47 patents)

13. Ikuo Kasuga (1 out of 15 patents)

14. Fumio Kobayashi (1 out of 5 patents)

15. Hiromasa Marumo (1 out of 6 patents)

13 patents: Sort by Forward Citations

1. 5488594 - Objective actuator for positioning an optical pick-up device (1996-01-30),

2. 5235262 - Motor control apparatus for controlling the position of a motor-driven (1993-08-10),

3. 5188198 - Power spring drive apparatus (1993-02-23),

4. 5179236 - Speed governor for music box or the like (1993-01-12),

5. 5125283 - Speed governor (1992-06-30),

6. 5122896 - Electrochromic display device with the counter electrode being (1992-06-16),

7. 5111347 - Method of detecting tape edge (1992-05-05),

8. 5048151 - Mechanical door check (1991-09-17),

9. 5047716 - Movement detector employing constant current drive (1991-09-10),

10. 5038236 - Magnetic tape cassette ejecting device (1991-08-06),

11. 5037078 - Method of controlling an automatic sheet connecting and feeding apparatus (1991-08-06),

12. 5007209 - Optical fiber connector polishing apparatus and method (1991-04-16),

13. 4999955 - Method and apparatus for conically machining optical fiber connectors (1991-03-19),

K.k. Sankyo Seiki Seisakusho is a leading manufacturer of precision machinery and equipment. Specializing in the production of high-quality components for various industries, the company is known for its innovative solutions and commitment to excellence. With a strong focus on customer satisfaction and continuous improvement, Sankyo Seiki Seisakusho is dedicated to providing reliable products and services that meet the needs of its clients around the world.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

13 Patents

#41 in Nagano

#3,655 in Japan

#43,615 in the World

K.k. Sankyo Seiki Seisakusho

Forward Citations = 122

29 inventors:

Tadao Saito (2 out of 77 patents)

Kenji Muramatsu (2 out of 7 patents)

Kazuo Matsunaga (2 out of 9 patents)

4. Takashi Katagiri (2 out of 9 patents)

5. Kazuharu Saito (2 out of 4 patents)

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